Weather WorldNew Harmony, IN 7-Day Night Weather Forecast
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New Harmony, IN Weather Forecast
New Harmony, IN Weather Forecast Date: 122 AM CDT Sun Oct 04 2026
The area/counties/county of: Posey, including the city of Poseyville.or toggle through each period.
Overnight... Mostly cloudy. Lows in the lower 50s. Calm winds.
Sunday... Mostly sunny. Highs in the upper 70s. North winds around 5 mph.
Sunday Night... Clear. Lows in the lower 50s. North winds around 5 mph.
Monday... Sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.
Monday Night... Clear. Lows in the upper 40s. Northeast winds around 5 mph.
Tuesday... Clear. Highs in the mid 70s. Lows around 50.
Tuesday Night... Clear. Highs in the mid 70s. Lows around 50.
Wednesday... Clear. Highs in the lower 80s. Lows in the lower 50s.
Thursday... Clear. Highs in the lower 80s. Lows in the lower 50s.
Friday... Mostly clear. Highs in the lower 80s. Lows in the mid 50s.
Friday Night... Mostly clear. Highs in the lower 80s. Lows in the mid 50s.
POP = Probability of Precipitation
New Harmony Radar Loop
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